M-D Building Products 47002 36-Inch by 81-Inch Vinyl Clad Foam Steel Door Magnetic Weather-strip Set Installs in -InchKerf-Inch slot in door stop Vinyl Clad Foam Compresses Against Door to Form a Weathertight Seal Replaces worn weatherstrip on doors with -Inchkerf-Inch style weatherstrip Compression weatherstrip and magnetic strip conforms to irregularities in door fit. All season protection against drafts, moisture, dust and insects